In Tucson, Arizona, locals have discovered a strange collection of purple spheres in the middle of the desert. It’s not yet certain what these spheres are, but analyses are being made to ascertain their exact nature.

Most of our readers are probably suffering from the adverse effects of winter’s cold and dry air right now (see our humidifier roundup). But conversely, there’s one thing that anyone living in a humid environment will appreciate: a good dehumidifier. It’s always surprising to discover the amount of moisture that can be extracted from ambient air, and these machines will keep your basements and apartments smelling clean.